2,7-Dichloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene

Endrin, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 72-20-8

Maduramicin ammonium, 100µg/mL in Acetonitrile, 1ml

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)